Replace the factory rubber nubs in your ION with the worlds best detent system: The Patent Pending Kila Products Reaction TM magnetic detent system utilizes magnets instead of high friction rubber or springs to hold your balls in place. Featuring non-wearing, low friction self lubricating pistons and adjustable force control. Pistons designed for optimum ball-in-breech placement for greater security from ball breaks and double feeds. Simply put, the best in reliability and consistency. Works with all force fed hoppers.(Available in high visability Orange and Black) Now available for Lucky Stage 5 and Lucky Autococker Breeches.